They said she got through the security barricade, rushed toward the stage and was just 60 feet away from Clinton when she reached into her purse, pulled out a shoe and threw it at the former Secretary of State.

Court documents said Ernst seemed agitated but aware of what she had done.

Clinton responded to the attack by joking about the incident.

"My goodness, I didn't know that solid waste management was so controversial," Clinton said. "Thank goodness she didn't play softball like I did."